import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
      home: Scaffold(
    appBar: AppBar(
      title: const Text("你好flutter"),
    ),
    body: const MyApp(),
  )));
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return const Center(
      child: CircleAvatar(
        radius: 150,
        backgroundColor: Color(0xffFDCF09),
        child: CircleAvatar(
          radius: 140,
          backgroundImage:
              NetworkImage("https://www.itying.com/images/flutter/3.png"),
        ),
      ),
    );
  }
}
